Mauidrillia acuta is an extinct species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.Marshall, B. (2015). Mauidrillia acuta. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=831559 on 2017-02-07

Description The length of the shell attains 12.5 mm, its diameter is 4 mm. This marine genus ranges across the Indo-West Pacific, encompassing the Red Sea and East Africa to Japan, as well as along the coast of Australia. Distribution This extinct marine species was found in Tertiary strata of the Chatham Islands and Pitt Island, New Zealand.

References

Marwick, J. "The Tertiary Mollusca of the Chatham Islands including a generic revision of the New Zealand Pectinidae." Transactions of the New Zealand institute. Vol. 58. No. 4. 1928 Maxwell, P.A. (2009). Cenozoic Mollusca. pp. 232–254 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch